Philippines. Department of Trade and Industry. Bureau of Trade Regulation and Consumer Protection & Guinid, N. D. (1992). Directory of consumer organizations (3rd ed.). Consumer Protection Division, Bureau of Trade Regulation and Consumer Protection, DTI.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Philippines. Department of Trade and Industry. Bureau of Trade Regulation and Consumer Protection và Nelly D. Guinid. Directory of Consumer Organizations. 3rd ed. Makati: Consumer Protection Division, Bureau of Trade Regulation and Consumer Protection, DTI, 1992.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)Philippines. Department of Trade and Industry. Bureau of Trade Regulation and Consumer Protection và Nelly D. Guinid. Directory of Consumer Organizations. 3rd ed. Consumer Protection Division, Bureau of Trade Regulation and Consumer Protection, DTI, 1992.